<div class="doc-item" id="doc-1379"><h2 class="doc-item-name">subset?<span class="namespace">(clojure.contrib.set)</span></h2><ul class="var-arglists"><li>(<span class="var-name">subset?</span> set1 set2)</li></ul><div class="var-docstring"><p>Is set1 a subset of set2?</p></div><div class="var-source"><pre>; clojure/contrib/set.clj:21
(defn subset? 
  [set1 set2]
  {:tag Boolean}
  (and (&lt;= (count set1) (count set2))
       (every? set2 set1)))</pre></div><div class="license"><p>Copyright (c) Rich Hickey. All rights reserved.</p><p>The use and distribution terms for this software are covered by the <a href="http://opensource.org/licenses/eclipse-1.0.php">Eclipse Public License 1.0</a>, which can be found in the file
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